body{
    background-color: #f0f0f0;
}
.giftEven{
    position: relative;
    width: 50%;
    height:200px;
    float: right;
    border:1px solid #b7b7b7;
;
}
.giftOld{
    position: relative;
    width: 50%;
    height:200px;
    float: left;
    border:1px solid #b7b7b7;
}
.submitButton{
    position: absolute;
    width: 80%;
    top: 400px;
    left:10% ;
    opacity:0.8;
    filter:alpha(opacity=40);
}
#duihuanButton{
    width: 40px !important;
    height: 20px !important;
}